{
  "model_type": "supertonic-3",
  "library_name": "supertonic-3-mlx",
  "base_model": "Supertone/supertonic-3",
  "framework": "mlx",
  "pipeline_tag": "text-to-speech",

  "architectures": [
    "DurationPredictor",
    "TextEncoder",
    "VectorEstimator",
    "Vocoder"
  ],

  "sample_rate": 44100,
  "num_languages": 31,
  "supported_languages": [
    "en", "fr", "de", "es", "it", "pt", "ja", "ko", "zh", "ru",
    "pl", "nl", "tr", "ar", "hi", "vi", "th", "id", "cs", "ro",
    "hu", "el", "da", "sv", "fi", "no", "he", "uk", "bg", "hr", "sk"
  ],

  "voices": {
    "presets": ["F1", "F2", "F3", "F4", "F5", "M1", "M2", "M3", "M4", "M5"],
    "custom": ["voix_sombre", "homme_moyen", "homme_clair"],
    "total": 13
  },

  "inference": {
    "euler_steps": 5,
    "cfg_cond_scale": 4.0,
    "cfg_uncond_scale": 3.0,
    "default_seed": 99,
    "supports_streaming": true,
    "supports_voice_mixing": true
  },

  "performance_m4": {
    "short_utterance_ms": 30,
    "long_utterance_ms": 38,
    "rtf_short": 76,
    "rtf_long": 138,
    "vs_onnx_sdk": "17-25x",
    "vs_coreml": "2-3x"
  },

  "performance_m3_ultra": {
    "rtf_short": 147,
    "rtf_long": 185
  },

  "license": "openrail",
  "license_link": "LICENSE",
  "license_code": "Apache-2.0",
  "license_code_link": "LICENSE-CODE",

  "upstream_attribution": "Copyright (c) 2026 Supertone Inc."
}